FFL Helper
San Juan SJU
$112
IAH → SJU · Frontier Airlines
FFL Helper / Houston / San Juan / September 2026
HOU → SJU · 2026-09
Houston to San Juan in September 2026
Dated one-way fares from Houston to San Juan in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$155
Highest this month
$155
Sample fare
$112
Airports
IAH–SJU
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Other months: September 2026 · October 2026 · Full route
September 2026 price calendar
September 2026
From $155
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Sun
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$155
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Dated fares
Booking HOU to SJU in September 2026
This page is only September 2026 on the Houston to San Juan route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Houston to San Juan in September 2026.